{
  "manageEntity": {
    "action": "Update",
    "entityId": "1779093",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierawkubafd75jg2uj3zfvebl52khqeuqm6erclmbfq5frtq337fsppq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":138236},{\"type\":\"playlist\",\"playlist_id\":743445298}]}}}",
    "nonce": "0xb672d78476d46638ebc903d18c8999e96c89ec2851f664395bc43ef1c546204a",
    "signature": "0x8219a1cb54d55e65108a670400384f9e9030bb0415b9185ddb2cddc3095c2abe4800090befd843b88debe54452dd31a437ab74562dab631aaa1a20aa9c7d37c11c",
    "signer": "0x8b304c26B4E67938B65622946Ee1E6B88E5CE1c7",
    "userId": "1779093"
  }
}